<template>
    <div class="mui-numbox" data-numbox-min='1'  style="height: 25px">
        <button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
        <input id="test" class="mui-input-numbox" type="number" :value="initcount" @change="countChanged" ref="numbox" readonly/>
        <button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
    </div>
</template>

<script>

    import mui from '../../lib/mui/js/mui.min.js'
    export default {

        mounted() {
            //    初始化数字选择框
            mui('.mui-numbox').numbox();
        },
        methods:{
            countChanged(){
                //数量改变了
                //console.log(this.$refs.numbox.value)
                //每当数量值改变时，则立即把数据同步到购物车的store中，覆盖之前的数量值
                this.$store.commit("updateGoodsInfo",
                    {id:this.goodsid,count:this.$refs.numbox.value})
            }
        },
        props:['initcount','goodsid'],
        //属性监听
        watch: {

        }
    }
</script>

<style scoped>

</style>